DSPB120 573400001-T/3 ABB Control Board What’s app/Mobile: 86-18020776792 Skpye: miyazheng52 0 Email: miya@mvme.cn (click) Contact our m anager : Miya Product’s description The DSPB120 board is likely an internal controller/interface board made by ABB for a specific system. It handles signal processing or control in that system, but it is not widely documented as a stand-alone I/O module in ABB’s mainstream catalog.DSPB120” suggests a digital signal processing board (DSP + B)